If an animal carries a disease, it can be transmitted to a human through saliva, bite or scratches. These diseases include: avian influenza, rabies, E. coli, giardiasis, lyme disease and many more.
obesity is harmful to us because it causes many diseases
because they can carry diseases which can be harmful to humans
Diseases and aggressiveness usually
Many snakes can be harmful, but they benefit us by eating rodents such as: mice, rats, and etc. that might carry diseases. Spiders can be harmful as well, they benefit us by eating insects like: house flys, mosquitos, and other insects. They keep the bug population at a normal level.
Quarantine protects countries from having animals bring in diseases. Pets from the US and Canada MUST be quarantined for 30 days.
Harmful effects from animals include several zoonotic diseases infectious and contagious like rabies, bird flu, rift vally fever, brucellosis , anthrax,plague, tape worm infestations etc. neartly 65 % of transmissible diseases among humans are of aniaml orign.
It contains chemicals which can leech out into our food and some of those can cause diseases.
they bring happiness in our life's
Not all microbes are harmful. Some are quite helpful. As humans, we actually have microbes in our bodies and on our skin that work to keep us from getting certain diseases.
They can be, as all three animals are confirmed maneaters.
Fungi causes some of the most irritating skin diseases and the it also causes the bread mould.
(in the US) Yes, definitely.